Foreword - Dahua NVR52-EI Series User Manual

General
This user's manual (hereinafter referred to be "the Manual") introduces the installation, functions and
operations of the Network Video Recorder (NVR) devices (hereinafter referred to be "the Device").
Read carefully before using the Device, and keep the manual safe for future reference.
Safety Instructions
The following signal words might appear in the manual.
Signal Words
Revision History
Version
V2.3.1
V2.3.0
V2.2.0
V2.1.0
V2.0.0

Foreword

Meaning
Indicates a high potential hazard which, if not avoided, will result
in death or serious injury.
Indicates a medium or low potential hazard which, if not avoided,
could result in slight or moderate injury.
Indicates a potential risk which, if not avoided, could result in
property damage, data loss, reductions in performance, or
unpredictable results.
Provides methods to help you solve a problem or save you time.
Provides additional information as a supplement to the text.
Revision Content
Added 8 models.
● Added
NVR608H-32-XI/NVR608H-64-XI/NVR608
H-128-XI/NVR608RH-32-XI/NVR608RH-64
-XI/NVR608RH-128-XI.
● Added smart tracking and sub screen
mirroring.
Added AI SSA and Quick Pick.
Updated cluster service.
● Added intelligent diagnosis.
● Added report query.
● Added resetting password through
DMSS app.
● Added LLDP.
● Updated several figures of the local
interface.
I
User's Manual
Release Time
February 2023
August 2022
June 2022
April 2022
March 2022